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Blinker image
Pattern type Oscillator
Number of cells 3
Bounding box 3×3
Period 2
Heat 4
Volatility 0.80
Discovered by John Conway
Year of discovery 1970

The blinker is the smallest and most common oscillator. In fact, it is more than one hundred times as frequently-occurring as the second most common oscillator, the toad.[1] It was found by John Conway in March 1970. It is one of only a handful of known oscillators that is a polyomino, and it is the only known oscillator that is one cell thick (although the pentadecathlon is "almost" one cell thick in that there is a one cell thick pattern that is a grandparent of it).

See also


  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.

External links

  • Blinker at Eric Weisstein's Treasure Trove of Life
  • Blinker at the Life Lexicon
  • Blinker at Adam P. Goucher's Catagolue